Crept rhymes with:
prepped, accept, adept, except, inept, intercept, kept, leaped, leapt, overslept, prepped, sept, slept, stepped, swept, wept
Crept sounds like:
carafate, carbide, carpet, carpeted, carved, charvat, cockroft, corbet, corbett, corbit, corbitt, corrupt, corrupted, corvette, crabbed, craft, crafted, crafty, cravath, craved, crofoot, croft, cropped, crypt, crypto, curbed, curved